31609977

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{349}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 51072000

約数和(自身を除く): 19462023

約数列:

[1, 3, 7, 19, 21, 57, 133, 227, 349, 399, 681, 1047, 1589, 2443, 4313, 4767, 6631, 7329, 12939, 19893, 30191, 46417, 79223, 90573, 139251, 237669, 554561, 1505237, 1663683, 4515711, 10536659, 31609977]

約数ペア:

[(1, 31609977), (3, 10536659), (7, 4515711), (19, 1663683), (21, 1505237), (57, 554561), (133, 237669), (227, 139251), (349, 90573), (399, 79223), (681, 46417), (1047, 30191), (1589, 19893), (2443, 12939), (4313, 7329), (4767, 6631)]